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Finding the Fourth Proportional to 365.82, 548.31 and 183.09

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Solution

The fourth proportional to 365.82, 548.31 and 183.09 is: 274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.82 : 548.31 = 183.09 : x
  2. Step 2: Convert to fraction form
    365.82/548.31 = 183.09/x
  3. Step 3: Cross multiply
    365.82x = 548.31 × 183.09
  4. Step 4: Simplify right side
    365.82x = 100,390.08
  5. Step 5: Solve for x
    x = 100,390.08/365.82
  6. Step 6: Final answer
    x = 274.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.